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Complex normalization takes exactness into account.

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Alex Shinn 2011-11-27 21:37:35 +09:00
parent 3675f3a5ea
commit a1057fa88e
1 changed files with 4 additions and 2 deletions
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6
sexp.c
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@ -1855,8 +1855,10 @@ sexp sexp_make_complex (sexp ctx, sexp real, sexp image) {
sexp sexp_complex_normalize (sexp cpx) {
return sexp_complexp(cpx)
&& (sexp_complex_imag(cpx) == SEXP_ZERO
|| (sexp_flonump(sexp_complex_imag(cpx))
&& sexp_flonum_value(sexp_complex_imag(cpx)) == 0.0))
/* Only normalize for an exact zero imaginary part. */
/* || (sexp_flonump(sexp_complex_imag(cpx)) */
/* && sexp_flonum_value(sexp_complex_imag(cpx)) == 0.0) */
)
? sexp_complex_real(cpx) : cpx;
}